DR. NANCY D SEIN DO
NPI 1689972531
Internal Medicine - Rheumatology in Scottsdale, AZ

Q: What is Nancy Sein's NPI number?

The NPI number for Nancy Sein is 1689972531. It was assigned to this individual provider in the NPPES registry on March 2, 2011.

Q: What is Nancy Sein's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Q: When was this NPI record last updated?

The NPPES record for Nancy Sein was last updated on February 21, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since March 02, 2011PECOS EnrolledAccepts Medicare Assignment

8405 N PIMA CENTER PKWY STE 201, SCOTTSDALE, AZ 85258(480) 587-6775(480) 882-5040 Get Directions Write a Review

NPPES record last updated: February 21, 2024. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Feb 5, 2020, Jun 15, 2017, Feb 16, 2016 (3 updates tracked since 2016).

On this page

About Dr. Nancy D Sein Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. NANCY D SEIN DO (NPI 1689972531) is an individual rheumatology provider in Scottsdale, Arizona, licensed in Arizona (008355) and active in the NPI registry since March 2011. She is enrolled in Medicare PECOS and is a graduate of Midwestern University College Of Dental Medicine, Glendale (2011).

NPPES Registry Identity

NPI1689972531

Entity TypeIndividualFemale

Primary Taxonomy207RR0500X

Provider Legal NameDR. NANCY D SEINCredential: DO

Location Address8405 N PIMA CENTER PKWY STE 201Scottsdale, AZ 85258-4670

Mailing Address8405 N Pima Center Pkwy Ste 201Scottsdale, AZ 85258-4670 · (480) 587-6775 · Fax (480) 882-5040

Phone(480) 587-6775

Fax(480) 882-5040

Sole ProprietorNo

Medical School CMSMidwestern University College Of Dental Medicine, GlendaleGraduated 2011

Enumeration DateMarch 2, 2011

Last NPPES UpdateFebruary 21, 20243 updates tracked since enumeration

NPPES CertifiedFebruary 21, 2024

✔ NPI 1689972531 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians

Taxonomy Code207RR0500X

License✔ Licensed in AZ · 008355

Definition

An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

8405 N PIMA CENTER PKWY STE 201, Scottsdale, AZ 85258

Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter Health, Blue Cross Blue Shield of Arizona and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Nancy D Sein Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8527201680

PECOS Enrollment IDI20201208000525

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Nancy Sein reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Honorhealth Ambulatory

0.6 mi

Surgery

8415 N PIMA RD STE 280
Scottsdale, AZ 85258

Reassigned Medicare billing, Arizona enrollment
822 clinicians in this Medicare group

NPI 1659996056 (480) 587-6520

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 14

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, romosozumab-aqqg, 1 mg J3111

Romosozumab-aqqg is a medication given by injection to treat osteoporosis in patients at high risk for fractures. It works by increasing bone mass and strength, reducing the risk of fractures.

49,350 services54 patients

Injection, denosumab, 1 mg J0897

Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.

33,300 services427 patients

Injection, infliximab, excludes biosimilar, 10 mg J1745

Infliximab is a medication given via injection to treat certain autoimmune conditions. It works by blocking the action of a substance in your body that causes inflammation. Each dose is based on your medical condition and response to treatment.

1,620 services13 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

803 services464 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

505 services232 patients

Injection, zoledronic acid, 1 mg J3489

Zoledronic acid is a medication given via injection to strengthen bones. It's often used in patients with osteoporosis or certain types of cancer. The injection helps reduce the risk of fractures and other bone complications.

370 services74 patients

Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 96365

This is a procedure where a medical professional inserts a small tube into your vein to deliver medication, nutrients, or fluids directly into your bloodstream. This can be for treatment, prevention, or diagnosis. The process typically takes less than an hour.

181 services94 patients

Administration of chemotherapy into vein, each additional hour 96415

Chemotherapy is a treatment method that uses drugs to destroy cancer cells. The drugs are administered into a vein, usually in the arm. Each additional hour of chemotherapy allows for more of the medication to enter your bloodstream to fight against the cancer cells.

67 services20 patients

Administration of chemotherapy into vein, 1 hour or less 96413

Chemotherapy is a treatment that uses drugs to destroy cancer cells. When administered into a vein, it's often through an IV. This procedure usually lasts 1 hour or less. You may feel a slight pinch as the needle is inserted, but it's generally painless.

56 services21 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

46 services46 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

25 services24 patients

Injection of drug or substance into vein 96374

This procedure involves introducing a medication or substance directly into your vein using a syringe. It's a quick and efficient way to deliver treatment throughout your body. You might feel a small prick when the needle enters. It's generally safe and effective.

14 services14 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

13 services13 patients

Dxa bone density measurement of hip, pelvis, spine including spine fracture assessment 77085

A DXA bone density measurement is a non-invasive scan that helps assess the strength of your bones, specifically in the hip, pelvis, and spine areas. It can detect early signs of osteoporosis and evaluate fracture risk. This test uses low-dose X-rays for accurate results.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85258 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$127.71 typical visit price

range $55.44 – $168.60

Typical copayment $31.92 (range $13.86 – $42.15)

Most-billed visit code 99204

Established Patient

$98.00 typical visit price

range $17.72 – $137.41

Typical copayment $24.50 (range $4.43 – $34.35)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

TAMMY L LARSON-CAIN NP-C

Nurse Practitioner

8405 N PIMA CENTER PKWY STE 201
SCOTTSDALE, AZ 85258

Maricopa County (480) 587-6775

MANMEET KAUR

Internal Medicine (Rheumatology)

8405 N PIMA CENTER PKWY STE 201
SCOTTSDALE, AZ 85258

Maricopa County (916) 734-2737

DR. RAMIN SABAHI M.D.

Internal Medicine (Rheumatology)

8405 N PIMA CENTER PKWY STE 201
SCOTTSDALE, AZ 85258

Maricopa County (480) 587-6775

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Nancy Sein's NPI number?

The NPI number for Nancy Sein is 1689972531. It was assigned to this individual provider in the NPPES registry on March 2, 2011.

Where is Nancy Sein located?

Nancy Sein practices at 8405 N Pima Center Pkwy Ste 201, Scottsdale, AZ 85258. The listed phone number is (480) 587-6775.

What is Nancy Sein's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Nancy Sein enrolled in Medicare?

Yes. Nancy Sein is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Nancy Sein's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nancy Sein reassigns Medicare benefits to Honorhealth Ambulatory (Scottsdale, AZ). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Nancy Sein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nancy Sein accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona and Oscar Health Plan, Inc. list Nancy Sein as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Nancy Sein was last updated on February 21, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.